Armband for holding an electronic device



FIG. 1 is a bottom plan view of an armband for holding an electronic device showing our new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a right elevation view thereof;

FIG. 4 is a left elevation view thereof;

FIG. 5 is a front elevation view thereof; and,

FIG. 6 is a rear elevation view.

The broken lines depict environment and form no part of the claimed design. 

CLAIM The ornamental design for an armband for holding an electronic device, as shown and described. 